Eng

Faithful...

諶

Faithful, Sincere, Surname

忠

Devoted, Faithful, Loyal

忠實

Faithful, Loyal, Reliable, Truthful

忠心

Devoted, Devotion, Faithful, Faithfulness, Loyal, Loyalty

忠心耿耿

Devoted, Faithful

(Devotion, Faithfulness, Loyal, Loyalty)