handyman; odd-job person
Refers to a person or business that does various small tasks, repairs, or errands. Often used for someone who is versatile and helps with whatever is needed.
When I moved, I had a handyman help me.
He's a handyman who can do anything.
Compound of 便利 (convenient) and 屋 (shop, person). Literally 'convenience shop/person', referring to someone who provides convenient services.