团长

regimental command / head of a delegation / group buy organizer; group-buying coordinator

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

round / lump / ball / to roll into a ball / to gather / regiment / group / society / classifier for a lump or a soft mass: wad (of paper), ball (of wool), cloud (of smoke)

dumpling