Elite is a big deal. It's expensive, and it has a lot of perks. It doesn't make sense that Mapper, a rank that is free and pretty simple to get, and is extremely common on parkour, would override Elite. Especially once /prefix is fixed and we can change the colour of Elite. I think it would make a lot of sense for the priority to be Elite > Mapper > Mvp+ > etc.
https://suggestions.manacube.com/suggestions/71007/elite-rank-overrides-mapper-on-parkour
https://suggestions.manacube.com/suggestions/71007/elite-rank-overrides-mapper-on-parkour