Antonyms for the phrase "puts in danger" could include phrases such as "safeguards," "protects," or "secures." These words all convey a sense of safety and protection, rather than risk and danger. Other antonyms might include "shields," "defends," or "insulates," all of which suggest a level of shielding or protection from potential dangers. Conversely, antonyms might also include phrases such as "ignores," "neglects," or "abandons," all of which indicate a lack of concern or regard for potential dangers. Ultimately, the antonyms for "puts in danger" are those that convey protection, care, and concern for safety.