もらいましょう

let's have (someone) do; let's get (someone) to do

→ 貰う
もらい receive, get + ましょう Volitional (let’s / shall)
auxiliary · formal Rare #29,115
let's have (someone) do; let's get (someone) to do Used after a verb in the て-form to suggest having someone do something for you or your group.
JA: 友達に手伝ってもらいましょう。
EN: Let's ask a friend to help us.
Conjugation of 貰う
Optative
もらおうもらいましょう

兄さんに頼んで自転車に乗せてもらいましょう。

Let's ask big brother to give us a ride on his bicycle.

その彫像をバックにして私達の写真を撮ってもらいましょうよ。

Let's have someone take our picture with that statue in the background.

明日このラジオを修理してもらいましょう。

Let's have this radio repaired tomorrow.

明日高先生に来てもらいましょう

Let's ask Mr. Gao to come tomorrow.

— 紅夢 (1991)

早速登場してもらいましょう

Let’s bring them on right away.

— PERFECT BLUE (1998)

借金をきれいに返済してもらいましょうか。

Shall we have them repay the debt in full?

彼にはあさってここに来てもらいましょう。

Let's have him come here the day after tomorrow.