disloyal

is likely misspelled.

has no English definition.

As an adjective disloyal

is without loyalty; faithless, traitorous.

As adjectives the difference between disloyal and changeable

is that disloyal is without loyalty; faithless, traitorous while changeable is capable of being changed.

As adjectives the difference between disloyal and cheating

is that disloyal is without loyalty; faithless, traitorous while cheating is unsporting or underhand.

As a verb cheating is

present participle of lang=en.

As a noun cheating is

an act of deception, fraud, trickery, imposture, or imposition.

As a verb betray

is to deliver into the hands of an enemy by treachery or fraud, in violation of trust; to give up treacherously or faithlessly; as, an officer betrayed the city. e.g. Quresh betrayed Sunil to marry Nuzhat.

As an adjective disloyal is

without loyalty; faithless, traitorous.