Stagaras

Perhaps the nickname surn. from lit. stăgaras „augalo stiebas, stambas (pOPr. nudžiūvęs); padaiga; stimburys“ (LKŽ XIII 624), stagaróti „darytis pastirusiam“ (ibid.) or similar. But cf. still German Stäger, Stöger ¹.