Overwhelmed n stressed at work

I'm feeling really overwhelmed and most say work right now.i just feel like o can't handle anything n fix. To the point i feel like i wanna quit. I'm an immigrant here, separated coz of toxic n abusive marriage. I can't even leave the job, i tried n applied for 100 jobs but not recover idk why. I can't walk away from this job. Can't jeopardize my job or future. Are there amy resources in BC where i Can get professional help, what kin da a help woill i get.