求めなければ

if you don't seek, if you don't ask for

→ 求める
求め seek, ask for, demand + なけれ Negative conditional + Conditional (if/when)
verb · conditional Rare #39,738
if you don't seek
JA: 自分から求めなければ、チャンスはやって来ない。
EN: If you don't seek them out, opportunities won't come your way.
if you don't ask for
JA: 助けを求めなければ、問題を解決するのは難しい。
EN: If you don't ask for help, it will be difficult to solve the problem.
Conjugation of 求める
Conditional
求めなければ

彼は求めなければ話さない

He doesn't speak unless asked.

私たちは友人に援助を求めなければならないだろう

We will have to ask our friends for help.

彼は友人の援助を求めなければならなかった

He had to ask his friend for help.