Try this out:
Ork Wendigo (120 BP)[ Spoiler ]
Attributes (190 BP)
B 4
A 3
R 4
S 3
C 4
I 3
L 3
W 5
Ess 5.00
Magic 4
Edge 1
Init/IP /2
Qualities (+30 BP)
Magician (Free)
Astral Chameleon 5
In Debt +30
Addiction (Betel, Mild) +5
Powers
Enhanced Senses (Hearing, Smell, Vision Magnification [1]), Essence Drain, Fear, Immunity (Age, Pathogens, Toxins), Infection, Influence, Natural Weapons (Bite/Claw: DV Str/2+2P, AP0), Regeneration.
Weaknesses
Allergy (Ferrous Metals, Moderate), Allergy (Sunlight, Moderate), Dietary Requirement (Metahuman Flesh), Essence Loss.
Skills (100 BP)
Spellcasting 5
Counterspelling 4
Assensing 3
Summoning 4
Binding 4
Astral Combat 3
Perception 2
Spells (12 BP)
Stunbolt
Physical Mask
Nutrition
Increase Attribute (Willpower)
Contacts (8 BP)
1/4 Street Doc
1/2 Fixer
Equipment (0 BP; 30,000 from In Debt)
Evo HEL Suit 3,000, Full-Body Suit Form-Fitting Body Armor 1,600, Vitals Protector 350 (11/9 ,Considered 8/8)
Cavalier Deputy in Quick Draw holster 325 (For intimidation purposes)
Telescopic Staff 100 (For intimidation purposes)
AR Gloves 250
You have 24,375

for other gear. The
Nutrition spell is to help with your Deitary Requirement (IE: use it when you can't/don't want to find a corpse), and
Physical Mask, along with the FFBA and HEL suit cover the whole body, except the face, making concealing your wendigo-ness fairly easy.
The weapons are for intimidation purposes; people will be less likely to attack you if they see you with weapons. Your actual weapon will be
Stunbolt, so you'll even get an edge if someone tries to pick a fight with you, as you won't have to draw a weapon. If your GM allows it, with your 8 Magic (see below) you can buy 3 successes on your spellcasting test, and buy 2 successes on your drain test, allowing you to cast a Force 6
Stunbolt with 3 successes, successfully buying your drain. Or double-casting 2 Force 4
Stunbolts with 3 successes of the test, buying off the drain.
The first thing you should do is go find some bums and drain them dry, getting up to 12 Essence, and then boost your Magic 4 points (using 8 Essence, going from a 4 Magic to an 8 ). At the end of that 12 hours, you'll lose 4 Essence, retaining 4 (for a total of 9). Go find someone else and drain that last 3, and do it again before you go to sleep. Prostitutes work well; visit 3 in the morning and 3 at night for 1 point of Essence from each. Make it like 7 in the morning and 7 at night, or 6/6 for less hastle with your Sunlight Allergy.
When you boost your Magic using Essence Drain, cast
Increased Attribute (Willpower) on yourself to help with your drain dicepool since you will be able to cast higher force spells. Astral Chameleon will help you leave less of a trail. Think about starting with some Psyche to help with sustaining penalties (and boosting a couple of your stats).
You're best off taking a Cha-based tradition since some of your powers work off Cha as well. Shamanism (not a great one) and Shinto traditions are good secondary choices, but hands-down Black Magic or Aztec traditions take the cake. The fluff fits with you having to eat people fairly well (Aztecan blood rituals/Black Magic sacrifices).
As soon as possible, Initiate and take Masking. You'll need it.
EDIT: The reason I chose
Stunbolt was simple.
1) It has the lowest Drain Value of all the combat spells.
2) Since it is Mana based you can cast it on the Astral as an alternative to Astral Combat.
3) It deals stun damage, so if the job does not require it (or you just don't want to), you don't have to kill someone. Also, if you do want to kill someone, you can just stun them unconscious and cast on them some more and they'll overflow.