Vortigaunts

 are intelligent extra-terrestrial species of Alien. However, during the invasion from the Combine, the Combine enslaved certain Vortigaunts and forced them to perform manual work whilst the free Vortigaunts side the human-led resistance.

Biotics are enslaved Vortigaunts under the power and will of the Combine. They are to perform manual labour and are most notably seen performing janitorial work.

Biotic Rules
Biotics are carefully selected players and are no different to the monitoring than an average player would have. This unique whitelist can be stripped at any time.

0. You are prohibited from going against direct orders set by Overwatch Forces. This will result in your character being permanently killed as a possible removal of the whitelist.

1. Causing trouble or instilling chaos is prohibited.

2. It is within your best interest to remain in-character at all terms and your roleplay should reflect that of being constantly watched as an endangered species.