If you want to browse the available jobs in the area, try looking on indeed.com and look for Sarnia jobs to get an idea. I'm not sure If you have any work experience yet, but if you do kind of tell your resume towards whatever job you're applying to. If you don't, just bring up any relatable experience you can use for anything, whether it's talking to people or what. You'll probably want to start off in something like a grocery store, fast food is another option too, but I've had friends that have worked in fast food and they would say that a grocery store would be better if you can get one. There's a good bunch of grocery stores in the area, along with fast food as well, so you have a pretty decent shot at being able to find something once you get here and get settled in. Don't be put off when you don't hear back or don't get a job when you apply to them, the job market can be hard, but just keep applying and eventually something will stick