受身形 => Passive voice N4
~V使役受身      => causative-passive form N4
Conjugate verbs
[受「う」]け[身「み」] => Passive, be V-ed. N4
Causative, Passive, Volitional
~ひょうしに(~拍子に)   => the moment [A], unintentionally / inadvertently caused something to happen N1
[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional