• to be a servant to
• to give the service and respect due to (a superior)
• to comply with the commands or demands of
• to perform the duties of (an office or post)
• to work through (a term of service)
• to treat or act toward in a specified way
• to provide services that benefit or help

MATTHEW 6:24 – No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.