Switch configure DHCP snooping, however end-user set IP address manually

Hi all, 

I imagine a scenario like here with topology
Client A (set manually IP address) ---------- Switch ------------- Client B (Hacker) 

Client A and B same VLAN and switch configure DHCP snooping, DAI, IP source guard to prevent DHCP attack, ARP attack, Spoofing attack. However, the client A set manually IP address 
In the situation, Client A doesn't have information on DHCP snooping database so Switch doesn't flood frame to access the Internet, does it? 
The same, when Client B deploys arp spoofing with MAC's Client A to connect another client, the switch will discards packet because it doesn't see any MAC's A on DHCP snooping database, won't it? 

Please correct me if I think wrong. 

Thanks and best regards, 
Hoang Nguyen Huy