S: (n) foster-parent, foster parent (a person who acts as parent and guardian for a child in place of the child's natural parents but without legally adopting the child)
S: (n) guard (a person who keeps watch over something or someone)
S: (n) keeper (someone in charge of other people) "am I my brother's keeper?"
W: (v) admonish [Related to: admonisher] (advise or counsel in terms of someone's behavior) "I warned him not to go too far"; "I warn you against false assumptions"; "She warned him to be quiet"
S: (n) Monitor (an ironclad vessel built by Federal forces to do battle with the Merrimac)
S: (n) monitor, monitoring device (display produced by a device that takes signals and displays them on a television screen or a computer monitor)
S: (n) monitor (electronic equipment that is used to check the quality or content of electronic transmissions)
S: (n) monitor (a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble)
S: (n) monitor, monitor lizard, varan (any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles)
Verb
S: (v) monitor, supervise (keep tabs on; keep an eye on; keep under surveillance) "we are monitoring the air quality"; "the police monitor the suspect's moves"
S: (v) monitor (check, track, or observe by means of a receiver)