Hello. You didn't talk about what story this character belongs to, which makes it impossible for your question to be answered. However, I can help by telling you the deficition of a complex character. This will help you to recognize characteristics in this character that will lead you to be able to answer the question.
A complex character is one that in a credible and concrete way, manages to show himself as an individual with many layers who have different depths and complexities, leading this character to be a complex person, with several different traits, and may even seem contradictory, enigmatic and unpredictable. This character must reflect aspects inherent to human nature, difficult to understand and which require the use of the reader's reasoning and interpretation throughout the plot so that the character's actions are surprising and move reading.
