(in certain countries) a head of a government department

the Defence Minister

a member of the clergy, especially in the Presbyterian and Nonconformist Churches

a minister of the Lutheran church

a Unitarian minister

a diplomatic agent, usually ranking below an ambassador, representing a state or sovereign in a foreign country

a person or thing used to achieve or convey something

the Angels are ministers of the Divine Will

attend to the needs of (someone)

her doctor was busy ministering to the injured

act as a minister of religion

will these women be permitted to minister as priests?