Final answer:
The gender of the Latin noun 'deceptor, deceptoris' is masculine.
Step-by-step explanation:
The gender of the Latin noun 'deceptor, deceptoris' is masculine. In Latin, nouns are assigned a gender based on their form, not their meaning. The ending -or usually indicates a masculine noun. For example, in the phrase 'molles mares' ('soft/tender men'), 'mares' is the masculine form of the noun. Therefore, the correct answer is option 1) Masculine.