It doesn't matter who you are, there will always be something that you worry about.
No matter who you are, you'll never run out of problems in this world.
ーIt doesn't matter who you are, there will always be something that you worry about.
「誰でも常に悩みがある。」
「どんな人にも」は It doesn't matter who you are としました。
something that you worry about で「心配に思うこと・気になること」
ーNo matter who you are, you'll never run out of problems in this world.
「誰でもこの世で悩みが尽きることはない。」
「どんな人にも」は No matter who you are とも言えます。
never run out of problems で「悩みが尽きない」
ご参考まで!