sobar

1. (in a hotel) room attendant; hotel housekeeper
   Sobar je doneo čiste peškire u sobu. — The room attendant brought clean towels to the room.
   Leti radi kao sobar u hotelu na moru. — In summer he works as a room attendant in a seaside hotel.
2. dated (in a wealthy household) valet; manservant
   Grof je imao ličnog sobara. — The count had a personal valet.

The feminine form sobarica is much more common.