army; armed forces; troops; force; unit; CL:個|个[ge4]

ministry; department; section; part; division; troops; board; classifier for works of literature, films, machines etc

department; branch; section; division; CL:個|个[ge4]

tribe

head of a (government etc) department; section chief; section head; secretary; minister; CL:個|个[ge4],位[wei4],名[ming2]