[使「し」][役「えき」] => Coercive, permission, allow, make N4
Causative, Passive, Volitional
を[余儀「よぎ」]なくされる => Must do A N1
Will, Decision, Doing
[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional