Noncombatant and Poker-faced

Noncombatant adjective - Member of armed forces whose duties do not include fighting as e.g. a chaplain or surgeon.

Poker-faced and noncombatant are semantically related in impartial topic. In some cases you can use "Poker-faced" instead an adjective "Noncombatant", when it comes to topics like neutral.

Poker-faced adjective - Deliberately impassive in manner.

Noncombatant and poker-faced are semantically related in impartial topic. Sometimes you can use "Noncombatant" instead an adjective phrase "Poker-faced", if it concerns topics such as neutral.