The previous post was starting to lose steam so here is another one.
Please note that these will be pinned at the top of the community, so do remember to check back to these threads. The more people contribute, the more other people will check it out and continue the discourse.
As always, please be careful of spoilers. Use warnings and tags when needed.
Feel free to share anything you want, or ask any questions :D
Lucky rolls to you all.
To actually answer your question, since no one else did … yes, there is one additional melee character you can get in Act 3, but he’s not the easiest character to find. It’ll be a slog to get that far without a tank.
Since you have a druid, you could try using a combo of animal form and summons to tank for you. I’ve found elemental summons are pretty durable, but won’t do as much damage as a real tank.
Otherwise yes, you could respect a party member to tank.