Kautilya's Arthashastra 8.5.22

8.5.22

abhiyātaṃ svayaṃ mitraṃ sambhūyānyavaśena vā //
parityaktam aśaktyā vā lobhena praṇayena vā /

A friend who, by himself, or in combination with others or under the influence of another king, has marched against his own ally, a friend who is abandoned owing to inability to retain his friendship, or owing to greediness or indifference;