As a temporary foreign worker, you have the right to change employers while you are in Canada. You can use Job Bank to find a new job, and other useful information – all for free.
It is illegal for your employer to punish or deport you for looking for another job.
When you came to Canada as a temporary foreign worker, you were granted a work permit for a period of time. You may need to change your work permit before you can start working for a different employer. Learn more about work permits.