膿包

pustule / (fig.) worthless person / a good-for-nothing / useless weakling

pus

surname Bao

to cover / to wrap / to hold / to include / to take charge of / to contract (to or for) / package / wrapper / container / bag / to hold or embrace / bundle / packet / CL:個|个[ge4],隻|只[zhi1]

useless weakling