に不自由はさせない

will provide for you

→ に
phrase Rare #41,468
will provide for you A promise to make sure someone does not lack what they need, often referring to money or material comforts.
JA: 君に不自由はさせない。
EN: I’ll make sure you have everything you need.

私が生きているうちは、お前に不自由はさせない。

As long as I'm alive, you'll never have to go without.

私が生きているかぎりあなたに不自由はさせない。

As long as I’m alive, you’ll never want for anything.

私が生きている間はきみに不自由はさせない。

You’ll never have to want for anything while I’m alive.