Final answer:
The Greek god associated with travel, hospitality, thievery, persuasive language, and athletic contests is Hermes.
Step-by-step explanation:
The Greek god known for travel, hospitality, thievery, persuasive language, cunning swiftness, and athletic contests is Hermes. Hence, the correct option is b) Hermes. Hermes is also known for being a messenger god and the god of commerce. This deity played a vital role in Greek mythology and was often depicted with winged sandals and a herald's staff, known as a caduceus. Hermes was considered the protector of travelers, inventors, and thieves and was revered for his cleverness and dexterity.