hold up one's end

advocate confirm defend encourage endorse hold to justify promote side with stand by vindicate

aid assist back bolster boost brace buttress carry champion countenance elevate help hoist prop raise rear second sustain uplift upraise

back up buoy up pick up shore up stick by stick up for take up upbear uprear

attack deny oppose protest

abandon block decrease depress destroy discourage drop fall halt hinder hurt injure lessen lower neglect obstruct prevent stop undermine

weaken