1 to recommend

2 recommendation

1 to act as intermediary

2 to link

3 intermediate

4 inter-

5 agency

6 agent

1 to introduce

2 to lie between

3 between

4 shell

5 armor

1 to intervene

2 to get involved

1 to care about

2 to take offense

3 to mind

1 mutually shirking responsibilities (idiom); each blaming the other

2 passing the buck to and fro

3 each trying to unload responsibilities onto the other

1 to be on the horns of a dilemma (idiom)

1 half willing and half unwilling (idiom); to yield after making a show of resistance

1 (idiom) to rudely push and pull others

2 (idiom) to evade responsibility and push it to others

1 to give one's bare heart into sb else's keeping (idiom); sb has one's absolute confidence

2 to trust completely

3 to confide in sb with entire sincerity