Erica: to Blagoj Erica is someone he can trust when he keeps secrets from the empress Juniper on his suspicious of who Nicholas Kane was and why he believes he s the one manipulating Juniper and the reasons he believes he is the leader of Black arms that are causing chaos in Arcadia 

To his commanders and Soldiers: he treats them well and allows them to take breaks when ever they finish a mission but is also know to punish them if they make to many mistakes  they will be punished which involves cleaning the tanks all of them plus the battalion soldiers and commanders have no problem with this punishment 

To Jaune: He respects him as he leads the one five and who knows about his relationship with his lover Violet and who often teases them but promises to keep it a secret 

Jaune Siblings: he  was introduced to them By Jaune and gets along with them With Jade being the only one to know about the vehicles his battalion posses and is impressed by their design and weapons they have  

Violet Evergarden: he meet Violet when Jaune introduced her to him he gets along well and often teases her about her relationship with Jaune and he did found about her being pregnant and carrying Jaune Child but promises to keep it a secret 

Empress Juniper: he and Juniper get along well but mostly professional as he was the one to design the new volkite caliber defenses and the new shielding system he called void shield but despite that they most of their time  is their argument 

being on Blagoj Battalion not sharing his vehicles and  weapons his battalion uses  and him warning her multiple times not to trust Nicholas who he believes is the one manipulating her and commanding his so called Black arms 

when the truth was discovered she Apologized to Blagoj on not believing him on Nicholas 

and who he is with him Forgiving Juniper