Noun and する verb
たんとう
もしこの染みが抜けなかったら、私はこのプロジェクトの担当から外されてしまうかもしれない。
If that stain won’t come off, I may no longer be in charge of this project.
You carry everyone else and you are always right. With these traits, you are in charge.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.