and are you planning on giving this 'skilled animator' monetary compensation? Many of the best animators on this site are also freelancers and I'm sure the only tolerance they have an issue with is the tolerance for doing professional work on someone else's passion project for 'exposure'

You have given a vague overview of story you have, and the stance you take is very unclear. If you could somehow elaborate on the position taken in the book or maybe give a script to link that would give the animators here a better understanding of what they would have to do, and what they are getting themselves into.

"Bless you for making this." -Sloth 2016 * on "Chicken Shaped Lighthouse Attacks Police"

Ephesians 4:29 -"Let no corrupt word proceed out of your mouth, but what is good for necessary edification, that it may impart grace to the hearers."

That is a ton to ask someone, if you expect to get anyone to animate it for free they need to be REALLY excited about the material, more excited about the story then any idea they are kicking around. I see a minuet of animation as about a month of work and asking someone to spend a month or more of there time on YOUR ideas without even telling them what those ideas are is a really tough sell. If you expect someone to get interested in the project you need to post the script or enough of it to get someone hooked on the idea.

Everyone who animates has heard someone get really excited and say, 'You know what would make a really great animation!' and then proceeds to excitedly tell you about the dumbest most boring sounding idea in the history of space and time. You need to remember anyone who is a "skilled brickfilmer" as you put it, is probably already pretty jaded when it comes to other people suggesting ideas and right now all we have to go on is some vague topical Upworthy-esqu sounding list of buzz words.

Well, that certainly is a touchy subject. And you're holding to the increasingly unpopular stance. (One I hold to as well.)

I think you may be best off really working on your own skills, then doing the film yourself.

Like you said, it's going to be hard finding someone that is willing to animate a short that takes this position on 'tolerance,' yet also is fine with the language and other content. I'm not saying there isn't somebody out there, but with brickfilming being so niche anyway, and the issue being so controversial, and no monetary compensation involved, it'll be nigh impossible with the script as it is.

You (And the animator) will have to be prepared to take some heat for the film as well. Not as much here, but the more you show it around, the more people won't like it. If you do find someone, make sure he's ok with that, and willing to stick it out.

It's not often that you see a film on this side of the issue, so I would like to see it completed.
But again, this may be something you have to do yourself.

And a note on the story:
If the man doesn't care about killing the priest, why would he then be 'moral' enough to want to be married that badly?
Be sure you give proper motivation, otherwise it'll come off as really forced and unnatural just to get a 'preachy' message across. Making everything flow naturally will be the toughest part of the film. And the one you'll have to nail perfectly.