steadfast loyalty

Translations
непоколебимая преданность
He showed steadfast loyalty to his friends.
Он проявил непоколебимую преданность своим друзьям.
Definitions
Steadfast loyalty refers to a strong, unwavering commitment and allegiance to someone or something, characterized by consistency and reliability in support, regardless of circumstances.
Words
loyalty

noun
верность
steadfast

adjective
непоколебимый