It is "stand your ground" but it's also in the SDA law book. [Page 32 Para D]
The reference to family members employer and emplees is NOT in the lawbook but IS in the instructor manual.
Thanks.
As for helping my friend, I wouldn't dream of shooting his attacker unless, upon my yelling to my friend to ask if I should phone the Bobbies, his assailant suddenly turned his murderous attention toward myself.