self-advancement

uncountable

The promotion of one's own qualities or abilities

Japanese Meaning

自己の能力や資質を高めること / 自分自身の長所や才能を発展させる行為

His self-advancement often led him to take on extra projects to showcase his skills.

彼は自己の能力向上を優先し、しばしば自分のスキルを示すために追加のプロジェクトを引き受けた。

Sense（1）

The promotion of one's own qualities or abilities