I just found out that Mom 'volunteered' me to babysit. [=that Mom said I would babysit without asking me if I wanted to]
He would not 'volunteer' any information about her whereabouts.
I 'volunteered' to do the job. = I 'volunteered' for the job.
(..) Whoa! Whoa! Whoa, boy. Easy. Easy. Princess Anna's horse. What happened to her? Where is she? Princess Anna is in trouble. I need volunteers to go with me to find her! I volunteer two men, my Lord! Be prepared for anything, And should you encounter the Queen, You are to put an end to this winter. (..)2013 Frozen