zloupotrebljavati

1. (of power, trust) to abuse; to misuse
   On stalno zloupotrebljava svoj položaj u firmi. — He keeps abusing his position in the company.
   Ne zloupotrebljavaj moje poverenje. — Don't abuse my trust.
2. (of alcohol, drugs) to abuse
   Godinama je zloupotrebljavao alkohol i lekove. — For years he abused alcohol and pills.

Takes a direct object in the accusative (zloupotrebljavati nešto).