Chara Karaka — The Movable Significators
राश्यंशयोर्ग्रहा ये स्युः सर्वे चारकारकाः ॥
In the Rasi (birth chart) and the Navamsa, all planets become the Chara (movable) Karakas. The planet occupying the highest degree is the Atmakaraka, and the seven or eight planets, ranked by degree, assume the roles of self, counsel, siblings, mother, father, children, relatives, and spouse — shifting with each chart rather than being fixed by natural rulership.
Atmakaraka — The Planet of Highest Degrees
आत्मा स्वतन्त्रः सर्वाधिकांशवान् ग्रहः ॥
The Atmakaraka is that planet which holds the highest longitude within its sign among all the grahas. Being freest and foremost, he represents the individual soul (jivatma), his desires shaping the very course of the incarnation. Whatever sign he occupies, and whatever befalls him there, colours the destiny of the native more than any other single factor.
Order of the Eight Chara Karakas
आत्मामात्यभ्रातृमातृपितृपुत्रज्ञातिदाराणि क्रमात् ॥
In descending order of degrees the planets become: Atmakaraka (self/soul), Amatyakaraka (minister/career), Bhratrikaraka (siblings/guru/preceptor), Matrikaraka (mother/education), Pitrikaraka (father/power), Putrakaraka (children/followers/creativity), Gnatikaraka (relatives/obstacles/disease), Darakaraka (spouse/partnership). Each karaka carries these significations wherever he sits, in whatever house or sign.