Senses
牵头/ 牽頭 to lead
to take the lead or coordinate in a collaborative effort; to act as the primary organizer for a task or operation
牵头/ 牽頭 to act as a go-between
to act as a mediator or matchmaker, often used to bring two parties together for a specific purpose
牵头/ 牽頭 procurer
(archaic or literary) a person who facilitates illicit relationships or acts as a pimp
牵头/ 牽頭 to lead by the head
to lead an animal by its head or halter