ἀεί ποτ' εὖ μὲν ἀσκός εὖ δὲ θύλακος ἅνθρωπός ἐστι → this guy's always good at being a wineskin, and at times a winesack
assistance: P. and V. ὠφέλεια, ἡ, V. ὠφέλησις, ἡ; see assistance.
partnership: P. and V. κοινωνία, ἡ.