Vous avez cherché: ascendancy (Anglais - Swahili)

he wishes to acquire ascendancy over you.
anataka kujipa ubora juu yenu.

if they gain ascendancy over you, they will become your enemies, and employ their hands and tongues with evil designs, and wish that you also became disbelievers.
wakikuwezeni wanakuwa maadui zenu, na wanakukunjulieni mikono yao na ndimi zao kwa uovu. na wanapenda muwe makafiri.

if they gain ascendancy over you, they will behave towards you as enemies and stretch out their hands as well as their tongues with evil intent; they long for you to renounce your faith.
wakikuwezeni wanakuwa maadui zenu, na wanakukunjulieni mikono yao na ndimi zao kwa uovu. na wanapenda muwe makafiri.

so when the second promise came (we raised another people) that they may bring you to grief and that they may enter the mosque as they entered it the first time, and that they might destroy whatever they gained ascendancy over with utter destruction.
na ikifika ahadi ya mwisho ili waziharibu nyuso zenu, na waingie msikitini kama walivyo ingia mara ya kwanza, na waharibu kila walicho kiteka kwa uharibifu mkubwa.