1) Airplane-plant employee 2) Cheating athlete 3) Dea target 4) Drug offense recidivist 5) Habitual user 6) Hippie, stereotypically 7) One who may have red eyes 8) Pothead 9) Slang for a user of drugs 10) Treater of airplane fabric Found on https://www.crosswordclues.com/clue/doper