Noun because it is an object( person place or thing
1.1 keep in touch with someone, make friends with someone, depend on someone,
2.1 reliable
2.2 depend on
2.3 antisocial
2.4 treacherous
3.1 he is friendly to Ruben
3.2 she never keeps in touch with us
3.3 if I don’t get on with my father, we don’t have a good relationship
3.4 I make friends are university
3.5 I rely on my boss
3.6 Donna is an old friend
5.1 in
5.2 out
5.3 get
5.4 in
5.5 went
5.6 get
LOL. As there is 26 letters in the alphabet there is no middle !