allegiant

adj.steadfast in devotion (especially to your lawful monarch or government)

"it is impossible to be allegiant to two opposing forces"

1. The allegiant soldiers vowed to protect their country at all costs.
   忠诚的士兵发誓不惜一切保护他们的国家。
2. As an allegiant citizen, she actively participates in community service.
   作为一个忠诚的公民，她积极参与社区服务。