The best replacement for scavenger is decomposer.

The best alternatives to scavenger are rated as following:
★★★★★  decomposer
★★★★★  toughness
★★★★★  artisan
★★★★  hardline
★★★★  sleight of hand
★★★★  sleight of hand mw3
★★★  fully loaded
★★★  detritus feeder
★★★  ghost
★★  hunter
★★  predator
★  lightweight
★  bling
★  sleight hand
★  recuva
★  one man army
★  item collector
★  blind eye
  flak jacket
  detritivore
  de composer
  extended mags

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

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



Google Trends

Scale is based on the average worldwide traffic of scavenger in all years. Click on graph for more.
scavenger
decomposer
toughness