Jude 1:16

16 These people are grumblers and faultfinders; they follow their own evil desires; they boast about themselves and flatter others for their own advantage.

Read Jude 1:16 Using Other Translations

These are murmurers, complainers, walking after their own lusts; and their mouth speaketh great swelling [words], having men's persons in admiration because of advantage.
These are grumblers, malcontents, following their own sinful desires; they are loud-mouthed boasters, showing favoritism to gain advantage.
These people are grumblers and complainers, living only to satisfy their desires. They brag loudly about themselves, and they flatter others to get what they want.