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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Work & Employment Rights Ontario » Can an Employee Refuse to Work with a Bullying Coworker in Ontario?

Can an Employee Refuse to Work with a Bullying Coworker in Ontario?

9 Jun 2026 4 min read No comments Work & Employment Rights Ontario
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Under the Ontario Occupational Health and Safety Act (OHSA), you generally cannot use a formal “work refusal” strictly for psychological bullying or a toxic coworker. Work refusals are reserved for imminent physical workplace violence, but you must instead file a formal harassment complaint to trigger a legally mandatory internal investigation.

Dealing with a toxic coworker can make going to work feel like an absolute nightmare. 😞 When someone constantly undermines you, yells in the office, or spreads malicious rumours, the natural human response is to want to leave the environment immediately. Many employees wonder if they can simply walk off the job and refuse to work until the bully is fired or moved.

While Ontario labour laws strictly protect you from harassment, the legal mechanism you use matters deeply. Whether you work in a bustling Toronto corporate office or a retail store in Hamilton, the Occupational Health and Safety Act (OHSA) distinguishes heavily between physical violence and psychological bullying. Understanding the correct step-by-step process ensures you protect your mental health without accidentally abandoning your job and risking termination.

Step-by-Step Process: Handling a Bullying Coworker in Ontario

Refusing to work is a highly specific legal action. 📋 If you simply stay home without following the correct legal procedures, your employer might claim you resigned or abandoned your employment.

Step 1: Assessing the Threat of Workplace Violence

First, you must determine if the bullying has crossed the line into physical danger. Under the OHSA, you can legally enact a “work refusal” if you have reason to believe that workplace violence is likely to endanger you. If the coworker is throwing objects, making physical threats, or acting violently, you should immediately remove yourself to a safe place in the building and notify a supervisor that you are refusing unsafe work.

Step 2: Filing a Formal Harassment Complaint

If the bullying is strictly psychological (e.g., gossiping, harsh criticism, exclusion), it meets the definition of “workplace harassment” rather than violence. 🗂 For harassment, you cannot simply refuse to work. Instead, you must consult your company’s official workplace harassment policy and submit a written, detailed complaint to Human Resources or management detailing the specific incidents, dates, and witnesses.

Step 3: Participating in the Mandatory Investigation

Once your employer receives a formal harassment complaint, they are legally obligated under the OHSA to conduct an investigation that is “appropriate in the circumstances.” While the investigation is ongoing, a good employer in Mississauga or Ottawa will temporarily separate you from the bully by changing shifts or allowing remote work, though this is not always legally guaranteed.

Step 4: Contacting the Ministry of Labour

If your employer completely ignores your written complaint, or conducts a biased “sham” investigation, you are not out of options. You can contact the Ontario Ministry of Labour, Immigration, Training and Skills Development. A provincial health and safety inspector can legally order your employer to hire an impartial, third-party investigator at the company’s expense.

How Much Does it Cost to Fight Workplace Bullying?

Addressing a toxic work environment should ideally cost you nothing, as it is your employer’s legal duty to provide a safe workplace. 💵 However, if the situation escalates to legal action, here are the estimated costs in Canadian dollars (CAD).

Action / ServiceEstimated Cost in CADDetails
Ministry of Labour Complaint$0Calling a provincial inspector to enforce the OHSA is a free government service.
Employment Lawyer Consultation$300 to $600A one-hour strategy session to determine if the bullying constitutes constructive dismissal.
Constructive Dismissal Lawsuit$5,000 to $15,000+If the bullying forces you to quit, you may sue for full severance pay.
  • Medical Leave: If the toxic coworker causes you severe stress or anxiety, you may need to take an unpaid medical leave under the Employment Standards Act (ESA), meaning your financial cost is your lost regular wages.
  • WSIB Claims: If you suffer from chronic mental stress explicitly caused by extreme workplace bullying, you can apply for Workplace Safety and Insurance Board (WSIB) benefits, which is a free application process.

How Long Does the Process Take?

Resolving a workplace harassment complaint requires time for due process. ⏱ Under Ontario guidelines, an internal employer investigation should generally be completed within 90 days or less, unless there are extenuating circumstances. If you escalate the matter to the Ministry of Labour, an inspector typically responds within a few days or weeks, depending on the severity of the allegations.

Frequently Asked Questions (FAQ)

Can I just stay home and demand to be paid?

Generally, no. If you stay home due to non-violent bullying without an approved medical leave or a formal OHSA work refusal for physical violence, your employer is not legally required to pay you, and they may classify your absence as job abandonment.

What if the bully is the owner of the company?

If the harasser is the CEO or business owner, an internal HR complaint is usually ineffective due to bias. In this scenario, you should consult an Ontario employment lawyer about claiming constructive dismissal or filing a complaint directly with the Ministry of Labour.

Will the bully be fired if my complaint is proven true?

Not automatically. The OHSA requires the employer to stop the harassment, but the law does not dictate the specific punishment. The employer might choose to issue a final written warning, mandate sensitivity training, or transfer the employee, depending on the severity.

Is poor management considered workplace bullying?

Usually, no. Ontario courts and the OHSA clarify that reasonable management actions-such as assigning workloads, issuing performance reviews, or enforcing disciplinary actions-do not constitute harassment or bullying, even if the delivery is strict.

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