Garden pollinator (3)
(Other definitions for bumblebee that I've seen before include "social worker" , "Large furry flying insect" , "Striped buzzer" .)
(Other definitions for bee that I've seen before include "In one's bonnet, it's a persistent idea" , "Social worker possibly" , "Social gathering" , "Hymenopterous insect" , "Stinging insect" .)