Translation of "mor" into English

Presumo, sargento-mor, que não acredita que todos os homens são iguais?

I take it, sergeant major, that you do not believe that all men are equal?

Mas Sr. Estribeiro-mor, meu sistema funcionou todos estes anos muito bem.

No, head groom, my method has worked perfectly well for many years.

Ao vir a-té nós com tão gran-de a-mor,

He came to us; He loved us that much.