The naga are those born from the faithful and the blessed. They are created through a sacred ritual performed by the goddesse's clerics. They are blessed in the form that the goddess thinks they'll need, for whatever mission they are set to accomplish.
Blessing from the goddess.
Their hair color is typical of the Apjin or any race that underwent the ritual. Many naga born from this ritual have a variation of looks. Some naga look entirely like a snake with arms. Some naga have the lower half of a snake and an upper half of humanoid or look entirely humanoid except for the some snakelike features. This ritual isn't limited to Apjin race only. Any devout follower who live among the Apjin could undertake the ritual and petition to become a naga.
In the temples.
They make their home in the lands of Ethernos, they live by the nile and the orange sands of it's beaches. The nile providing a level of a paradise in a vast see of blinding sands and hot days that'll boil a man in armor.
Being naga and blessed creature of gods, they typically live and care for their temples and altars. Dressed in loose flowing robes they praise the gods daily. Often they are clerics, but few of them are not. Generally, all of them are considered faithful to thier gods.
Freedom, Power, and gods.
Those who leave the desert either are on a mission from their god or are escaping their own religion. They often are clerics and paladins.
History in names.
Thier names typically including a long family history. They usually go back several generations. Every child born will take the name of their parent and parents parent. Etc.
The naming convention is Arabic in nature
Male names: Sharif, Tali, Rayyan, Abdul, Ajmal, Yusuf, Cairo
Female names: Bushra, Aisha, Laila, Fatima, Maryam, Zara, Jude
Size and Speed
Your size is Medium and your speed 30 ft.
Ability Score Increase
Your Intelligence score increases by 1. Either your Wisdom or Charisma increases by 2.
Desert Dweller
You're naturally adapted to hot climates as described in chapter 5 of the Dungeon Master’s Guide.
Innate Spellcasting
You know the poison spray cantrip. You can cast animal friendship an unlimited number of times with this trait, but you can target only snakes with it. Starting at 3rd level, you can also cast suggestion with this trait. Once you cast it, you can't do so again until you finish a long rest. Charisma is your spellcasting ability for these spells.
Apjin Weapon Training
You have proficiency with Scimitar, Falcata(longsword), and long bow.
You have advantage on saving throws against spells and other magical effects.
You are immune to poison damage and the poisoned condition.
You can speak, read, and write Common and Elvish.