You likely qualify if: Workers in Ontario; Employer broke the Employment Standards Act; Not unionized with a...
Generally you must file within two years of the problem (three and a half years for a claim under the Employment Protection for Foreign Nationals Act).
You likely qualify if: People in Ontario; Faced discrimination or harassment; Covered by the Human Rights Code.
You can ask for help any time, but the deadline to file with the Human Rights Tribunal of Ontario is generally one year from the last discriminatory event.