Samseva: 'companionship'. 1: Through companionship with bad men asappurisa-s comes listening to bad advice, thereby unwise reflection, thereby inattention and mental confusion, thereby lack of sense-control, thereby 3-fold bad conduct in bodily action, speech and mind, thereby the 5 hindrances nīvarana, thereby craving for existence. 2: Through companionship with good men sappurisa-s comes listening to good advice, thereby faith, thereby wise reflection, thereby awareness or mindfulness and clarity of consciousness, thereby sense-control, thereby 3-fold good conduct, thereby the 4 foundations of awareness or mindfulness satipatthāna q.v, thereby the 7 factors of enlightenment bojjhanga, thereby liberation through understanding paññā-vimutti.; Cf. A. X 62.
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.