This is the 4124th most frequent Russian word.
приятель
Friend or pal.
In this sentence, 'приятель' is used to denote a close, reliable friend.
Приятель всегда поможет в трудную минуту.
A friend will always help in a difficult moment.
Here, 'приятель' refers to someone the speaker knows well from the past but might not currently be close with.
Я встретил старого приятеля на улице вчера.
I met an old friend on the street yesterday.
In this context, 'приятель' suggests a casual friend, emphasizing a non-romantic, friendly relationship.