conjunction that expresses simultaneous actions, state, or conditions / conjunction that expresses contrast or contradiction

while, during, while doing (verb) / though, notwithstanding / both (doing verb)

doing something for someone without them knowing

長らく: long; for a long time

while remaining

even while, even though

宛ら: just like

to be long-lived; to live for a long time

"involving oneself with women": socializing with women, especially other than one's girlfriend or spouse

然し乍ら: however, nevertheless (slightly more formal than しかし)