The best replacement for dweller is grapha.

The best alternatives to dweller are rated as following:
★★★★★  grapha
★★★★  submariner
★★★★  deep sea
★★★  hieratics
★★★  hysteric sign
★★★  treeborn
★★★  garunix
★★★  bujin
★★  dragon rulers
★★  swift scarecrow
★★  deepsea
★  gmt master
★  planet ocean
★  inzektor hornet
★  rolex submariner
★  milgaus
★  gmt ii
  seamaster
  omega planet ocean
  omega seamaster
  hieratic
  sub mariner
  aquatimer

Your alternative for dweller is not listed? Suggest!
Speaking about dweller, one probably shouldn't forget about decorator.

Other search terms related to dweller and their ratings are:
★★★★★ decorator
You have in mind a companion for dweller and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of dweller in all years. Click on graph for more.
dweller
grapha
submariner