They're certainly manipulative. The weasel-worded "requests" demand compliance by placing the victim in a bind: either comply, or look like a terrible friend/spouse/employee/etc..
The victim of the verbal trap/dilemma. But you are free to use another word like "target" or "recipient" if you prefer.
Also, without full information, we don't know who is in the right. Perhaps it was in a designated communal fridge; perhaps it wasn't labeled properly; perhaps the person actually had permission; perhaps the person was facing a potentially dangerous blood sugar crash. Etc..