This is the 11425th most frequent Russian word.
добившимся
"Добившимся" means "someone who has achieved."
In this sentence, 'добившийся' is used as a perfect active participle to describe Ivan in relation to his accomplishment of achieving success in his career.
Иван, добившийся успеха в карьере, стал примером для своих друзей.
Ivan, who achieved success in his career, became an example for his friends.
Here, 'добившаяся' serves as a participle to define the scientist as someone recognized for achieving specific results in her field of research.
Учёная, добившаяся результатов в исследованиях, получила награду.
The scientist, who achieved results in her research, received an award.
The word 'добившегося' is employed to modify 'colleague', emphasizing their attainment of recognition in their professional domain.