僕が持つ

I'll carry it

→ 僕
phrase Rare #38,643
I'll carry it 僕 is a casual first-person pronoun often used by men. 持つ can mean “hold,” “carry,” or “have”; here it means offering to carry something.
JA: 荷物は僕が持つよ。
EN: I'll carry the luggage.

僕が持つよ。

I'll carry it.

いいよ、僕が持つから

Sure, I'll carry it.

— 箪笥<たんす> (2003)

僕が持つ

I'll hold it.

— 戦争と女の顔 (2019)

袋は僕が持つよ。

I'll carry the bag.