Time channeller
From Tardis Wiki, the free Doctor Who reference
When partnered with a time channeller, a time-sensitive could travel along timelines. (PROSE: The Winning Side, Peculiar Lives, et al)
Emily Blandish was a time channeller who was formerly part of the Sodality before becoming an amnesiac lost in 1949. While in the 20th century, she worked alongside the time-sensitve Honoré Lechasseur. (PROSE: The Winning Side, Child of Time)