Positive:
* Benevolent: He initially seems kind and caring, offering his services to Kino and Juana.
* Compassionate: He shows concern for Kino's injured hand and offers treatment free of charge.
* Skilled: He is a trained doctor and seems to be competent in his profession.
* Knowledgeable: He possesses medical expertise and provides helpful advice to Kino.
Negative:
* Condescending: He treats Kino with a sense of superiority, reflecting the social divide between them.
* Patronizing: He offers help to Kino but ultimately views him as an inferior being.
* Hypocritical: He claims to be concerned for Kino's well-being but ultimately prioritizes his own financial gain.
* Greedy: He is willing to exploit Kino's desperation for financial advantage.
* Manipulative: He uses his position of power to influence Kino and potentially exploit him.
Neutral:
* Pragmatic: He is practical and driven by self-interest, prioritizing his own needs over Kino's.
* Ambivalent: He displays mixed feelings towards Kino, offering help while simultaneously exhibiting a sense of disdain.
* Detached: He seems emotionally distant from Kino and his situation.
Ultimately, the doctor's character is left open to interpretation. Steinbeck uses him to highlight the social inequalities and power dynamics present in the world of "The Pearl." The adjectives you choose to describe him will depend on your interpretation of his actions and motivations.