person in charge, person responsible

person

to inquiry; to seek information

charge of, end, responsibility for an area of work / one who is in charge / (host industry) host / hostess who attends to a patron

be in charge, handle an area of responsibility

please give me / (expressing a request) please do something for me

Please do (action)

Please do not (do)

please give me / (polite, imperative) please do something for me; expressing a request

Please have a seat. / Please sit down.