employ :the state of being employed or having a job
they are looking for employment|he was in the employ of the city
employ :put into service; make work or employ for a particular purpose or for its inherent or natural purpose
use your head!|we only use Spanish at home|I can't use this tool|Apply a magnetic field here|This thinking was applied to many projects|How do you utilize this tool?|I apply this rule to get good results|use the plastic bags to store the food|He doesn't know how to use a computer
employ :engage or hire for work
They hired two new secretaries in the department|How many people has she employed?