nepotism / cronyism

walking sideways, staggering, striding / being rampant, being widespread, being prevalent

(shogi) side mover (piece used in chu shogi and larger shogi variants)

Same as above.

each person supporting (patronizing) his (her) own favorite

(Chinese mythology) bixi

to favor; to be partial to

favor, partiality, patronage

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

(business) a company