lovatts colossus giant cryptic

21a paying guest has the edge apparently
?g?r?e? BOARDER the clue implies a homophone
46a bound to see teeth turn red
r?t?e??? TETHERED the clue implies an anagram
69a envisage art recreated by those for whom flesh is out of the question
?e?e???c?n? VEGETARIAN the clue implies an anagram

thank you makes it look easy