1 to crawl

2 to climb

3 to get up or sit up

1 to climb up

1 to climb a mountain

2 to mountaineer

3 hiking

4 mountaineering

1 to work against the interests of sb one derives support from

2 to double-cross one's employer

3 to bite the hand that feeds you

1 to go through challenging experiences

2 to become seasoned (in one's profession etc)

1 to climb mountains and wade rivers (idiom); fig. to make a long and difficult journey

1 rolling and crawling

2 trying frantically to escape (idiom)