Self-sacrifice

Because she does not benefit from her own skill,  herself tends to have lower  than her crew mates unless she can "get together" with others. While not particularly needed on a working ship, this can save a crew from losing their Shrink on top of taking a heavy hit, like a  attack that kills  right before day change.

Generally, with other skills like, , and the ship's various Fruits, will rarely be a problem, however if there's no leader in sight, and a suspicious lack of fruits left for you, this could be the just the skill needed to tip the scales in a dire situation.