He doesn't have to; Piotr hears it plenty loud. Much as Piotr needs the extra bodies and wouldn't turn his nose up at loyalty from outsiders, he's not a sentimentalist. Loyalty is hard-earned, not granted or won as a favor. This man has his own loyalties; Piotr can find no fault in his honor for that. He turns his open hand palm-up.

"Good. There aren't many men of your skill among you." You outsiders he leaves unspoken. Daryl knows what he means, and it would drive home a point Piotr is not, at current, trying to make. He doesn't smile, but the way his eyes narrow isn't in suspicion, but some kind of agreement. "Provided we all live to see the end of this war before the Cetagandans decide to blow a bloody hole in this planet, I'll make a place in my district. For you and your girl."