Guardian

The Hunter Vanguard who preceeded Andal Brask. Vanished one day, and his Dare couldn't be located after.
A friend of Shiro's who lost his Ghost to Taniks. Died later while doing a solo job.
A Guardian who was killed by Taniks while the mercenary was hunting Cayde's crew.
A Warlock who extracted survivors from the Manhattan Nuclear Zone.
Likely a Guardian they were disillusioned with City leadership and left the City. Possibly a Sunbreaker or Trinary Star cultist.
Possibly a notable Guardian involved in the founding of the Praxic Order. Cormorant accolades are given to Warlocks and Titans.
Guardian who tested out a custom sparrow built by Holiday.
Someone who wanted to help Saladin. Implied to be an Iron Lord by dedication of an Iron Banner weapon to her.
Died during the early stages of the Red War during a failed attempt to rescue the Speaker.