distributor (participant in network marketing, also known as multi-level marketing)

column / file / queue / line

jump, leap, hop, spring up

bottleneck (something that causes a delay)

take along; lead; join; connect / (used as a suffix) party; company; group; set

harm; loss

axe / kill

a network (interconnected group or system) / a network (directory of people) / a network (multiple computers and other devices connected together)

great-

cover / lid / flap