Someone who works at an arcade is typically referred to as an arcade attendant or arcade staff. Their responsibilities may include managing games, assisting customers, and maintaining the arcade's environment. In some cases, they might also be called game operators or employees.
someone who works for a business
An employee
a horticulturalist
demonologist
Mason
A gardener.
collector
coach
An electrician.
paver
A co-worker. or colleague
An Optician x