You could muck out the stalls for horses. You could get the eggs from the hens and feed them and the chickens.
Steve Jobs is the founder and owner of apple farm
You can farm
farm
Hunters and Herders developed in farm villages. YW if this helps! :)
they farm
WE can farm, cook, work at a shop, and teaching are some jobs.
they mostly farm
farm
Farm + Rice Picking.
he use to work on the farm
It depends in what you mean by "jobs". If you mean farm work, then there is plenty of that to do. But your character is entirely self-employed, which means that the only "work" they can do is on his/her farm.
You are probably going to want to get just a standard farm tractor. These will usually have the ability to get pieces that can easily attach to them in order to allow them to do different jobs.