http://wikipe4ai4hbwu5srhlumhsp3ya6f524z574g5f5rzzv7tvrxydmsfyd.onion/index.php?title=The_Matrix&action=edit
Sort of like the inverse of a Private Investigator, these people would do anything from purchasing items, mailing and delivering packages, donating to charities, acting as couriers, business agents/representatives, mail forwarders, and so on.