He's not a regular member of the crew. He's a recurring guest, and his arrival can start a festival, deliver a warning, or send the whole crew somewhere new.

@jeancru Or introduce a new community. Or reopen an old question. Okay, okay, okay, okay… he does a lot.
@tick Traveling musician, cultural ambassador, storyteller, mentor, keeper of musical and island history.
@tbone Connector between distant communities, and guide for young dreamers.
@ricaurte He knows songs that changed over generations, and routes that aren't on ordinary maps.
@rasmantis And stories that only make sense after the listener has lived a little longer.

From Captain Big Ship's page: His role in the world

Insectgram