Verb
work or act as a baby-sitter
take watchful responsibility for
Source: WordNetbaby sit
I cannot baby-sit tonight; I have too much homework to do Source: Internet
I baby-sit the neighbor's plants when she is out of town Source: Internet
I have changed my plans and moved my work schedule around so I could baby-sit, take my grandchild to some activities or watch their house and pets while they've gone away (which I've been happy to do because it makes their lives easier). Source: Internet
And set personal boundaries, such as deciding not to rearrange your work schedule just so you can baby-sit. Source: Internet
It was a very emotional piece, complete with a reading of a letter written by a 12 year old, for whom the Marine used to baby-sit. Source: Internet