How to save Sazza in Baldur's Gate 3

How do you save Sazza in Baldur's Gate 3? This goblin raider has been captured by the Tieflings and is being held prisoner. However, she does have a proposition for you, one that can help you reach the inner recesses of the goblin army's base of operations. It's your decision whether you want to go through with this act or not.
Baldur's Gate 3 is filled with choices such as these, leading to alternate outcomes and increased reactivity among whichever of the classes or races you choose. It's no wonder we considered it an "instant RPG classic" in our review. The poor goblin will be wondering where you are though, so without further ado here's how to save Sazza in BG3.
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