Answer: Object owner, Schema owner

The question asks about who can grant object privileges in a regular (non-managed) schema. According to Snowflake documentation and the community discussion, in regular schemas, both the object owner and the schema owner can grant privileges. The object owner has full control over their specific objects and can grant privileges on them. The schema owner has broader control and can grant privileges on any object within that schema. Comments with higher upvotes (3 upvotes) support answer A, while detailed explanations from community members like cybe001 correctly identify both A and B as valid. Options C (Database owner) and D (SYSADMIN) are not specifically mentioned as having this capability in regular schemas without additional privileges.

Author: LeetQuiz Editorial Team