There's one individual I work with who makes for a hard working environment for other people.
There's one person at work who makes life difficult for everyone else.
この場合、次のような言い方ができますよ。
ーThere's one individual I work with who makes for a hard working environment for other people.
「同僚の一人が他の人にとって働きづらい環境を作っている」
to make for ... で「…を作り出す」
ーThere's one person at work who makes life difficult for everyone else.
「職場の一人が、他のみんなの(職場)生活を辛いものにしている」
このような言い方もできます。
ご参考まで!