ELUDER

One who's hard to get hold of

• Big leaf aquatic plant

• Dodger

• Escape artist

• Escape artist, e.g.

• Escapee

• One evading

• One on the lam

• One that got away

• Police foiler

• Skedaddler

• Slip-giver

• Slippery escapee

• Slippery one

• Slippery sort

• Successful escapee

• The one that got away?